Kidney deficiency can lead to back pain, Chinese medicine believes that the waist for the capital of the kidneys, the waist depends on the essence of the kidneys to make the waist qi and blood meridians run normally and not stagnant, thus ensuring that the waist activities freely. In addition, the foot Shaoyin kidney meridian is closely related to the waist, if the external wind, cold and dampness, as well as the meridians, qi and blood run unfavorably, internal injuries and kidney and lead to lumbago. Specific analysis of the following kinds: 1, kidney qi deficiency, the waist of the loss of warmth and moistening will show lumbar qi and blood operation obstacles, resulting in stagnation of qi and blood stasis, Yong stagnation of the meridians, the emergence of the symptoms of the pain is not honor, accompanied by lumbar soreness, pain, like warmth, like to press, accompanied by frequent urination, dizziness and tinnitus, emaciation, pale, do not think about food. 2, kidney yang deficiency will appear lumbar cold, cold hands and feet, less breath, lazy speech, aggravated by cold symptoms such as Lazy speech, aggravated by cold, so in the treatment of lumbar pain to tonify the kidneys and fill in the essence, warming the yang to pass the veins, such as Zuo Gui Pill, Right Gui Pill, Tiger Dive Pill and so on.